TABLE 2.
Sensitivities and specificities of the recombinant EITB test performed at two sites (CDC, Atlanta, GA, and Instituto Nacional de Ciencias Neurologicas, Lima, Peru)a
| Antigen(s) | Testing site | Sensitivity (%) (95% CI) for detecting cases with: |
Specificity (%) (95% CI) | |
|---|---|---|---|---|
| ≥2 cysts | 1 cyst | |||
| LLGP | Lima | 100 (100) | 79 (70–88) | ND |
| Atlanta | 96 (93–100) | 52 (58–60) | 97 (95–98) | |
| rGP50 + rT24H + TsRS1 | Lima | 97 (94–100) | 65 (55–75) | 98 (96–100) |
| Atlanta | 99 (97–100) | 56 (40–67) | 98 (97–100) | |
| rGP50 + rT24H | Lima | 96 (93–99) | 65 (55–75) | 98 (96–100) |
| Atlanta | 99 (97–100) | 52 (39–65) | 99 (98–100) | |
| rGP50 + TsRS1 | Lima | 92 (88–96) | 44 (33–54) | 100 (100) |
| Atlanta | 97 (94–100) | 48 (35–61) | 98 (97–100) | |
| rT24H + TsRS1 | Lima | 96 (93–99) | 52 (41–62) | 98 (96–100) |
| Atlanta | 99 (97–100) | 46 (33–60) | 99 (98–100) | |
| rGP50 | Lima | 89 (84–94) | 44 (33–54) | 100 (100) |
| Atlanta | 96 (93–100) | 44 (31–58) | 99 (98–100) | |
| rT24H | Lima | 96 (93–99) | 52 (41–62) | 98 (96–100) |
| Atlanta | 99 (97–100) | 43 (29–56) | 100 (100) | |
| TsRS1 | Lima | 85 (80–91) | 39 (28–49) | 100 (100) |
| Atlanta | 75 (67–83) | 20 (10–31) | 99 (98–100) | |
a
CI, confidence interval; ND, not determined.